GMAT Test Prep: DS-62002850 GMAT Data Sufficiency

An employee is paid 1.5 times the regular hourly rate for each hour worked in excess of 40 hours per week, excluding Sunday, and 2 times the regular hourly rate for each hour worked on Sunday. How much was the employee paid last week?

(1)The employee's regular hourly rate is $10.

(2)Last week the employee worked a total of 54 hours but did not work more than 8 hours on any day.